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c04a320cfd
- All of the `if data isn't a list turn it into one in the value type validates are no longer needed, they'll always be passed a list now` - Special case to handle PTR/target values since it previously was single value and is now values See README for more information
78 lines
1.9 KiB
Python
78 lines
1.9 KiB
Python
#
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#
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#
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from fqdn import FQDN
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from ..idna import idna_encode
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class _TargetValue(str):
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@classmethod
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def parse_rdata_text(self, value):
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return value
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@classmethod
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def validate(cls, data, _type):
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reasons = []
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if data == '':
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reasons.append('empty value')
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elif not data:
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reasons.append('missing value')
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else:
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data = idna_encode(data)
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if not FQDN(str(data), allow_underscores=True).is_valid:
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reasons.append(f'{_type} value "{data}" is not a valid FQDN')
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elif not data.endswith('.'):
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reasons.append(f'{_type} value "{data}" missing trailing .')
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return reasons
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@classmethod
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def process(cls, value):
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if value:
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return cls(value)
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return None
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def __new__(cls, v):
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v = idna_encode(v)
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return super().__new__(cls, v)
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@property
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def rdata_text(self):
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return self
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#
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# much like _TargetValue, but geared towards multiple values
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class _TargetsValue(str):
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@classmethod
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def parse_rdata_text(cls, value):
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return value
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@classmethod
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def validate(cls, data, _type):
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if not data or all(not d for d in data):
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return ['missing value(s)']
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reasons = []
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for value in data:
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value = idna_encode(value)
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if not FQDN(value, allow_underscores=True).is_valid:
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reasons.append(
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f'Invalid {_type} value "{value}" is not a valid FQDN.'
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)
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elif not value.endswith('.'):
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reasons.append(f'{_type} value "{value}" missing trailing .')
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return reasons
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@classmethod
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def process(cls, values):
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return [cls(v) for v in values]
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def __new__(cls, v):
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v = idna_encode(v)
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return super().__new__(cls, v)
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@property
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def rdata_text(self):
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return self
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